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47017071 = 331741373
BaseRepresentation
bin1011001101011…
…0110001101111
310021110201022000
42303112301233
544014021241
64355423343
71110432003
oct263266157
9107421260
1047017071
11245a3692
12138b4b53
13998276a
14635c703
1541daeb6
hex2cd6c6f

47017071 has 8 divisors (see below), whose sum is σ = 69654960. Its totient is φ = 31344696.

The previous prime is 47017067. The next prime is 47017073. The reversal of 47017071 is 17071074.

It is not a de Polignac number, because 47017071 - 22 = 47017067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1741373 = 47017071 / (4 + 7 + 0 + 1 + 7 + 0 + 7 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47017073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870660 + ... + 870713.

It is an arithmetic number, because the mean of its divisors is an integer number (8706870).

Almost surely, 247017071 is an apocalyptic number.

47017071 is a deficient number, since it is larger than the sum of its proper divisors (22637889).

47017071 is a wasteful number, since it uses less digits than its factorization.

47017071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741382 (or 1741376 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 47017071 is about 6856.8995180037. The cubic root of 47017071 is about 360.9262951151.

The spelling of 47017071 in words is "forty-seven million, seventeen thousand, seventy-one".

Divisors: 1 3 9 27 1741373 5224119 15672357 47017071